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From: "zimmerma+gcc at loria dot fr" <sourceware-bugzilla@sourceware.org> To: glibc-bugs@sourceware.org Subject: [Bug math/16539] New: spurious underflow exception from expm1 Date: Fri, 07 Feb 2014 14:34:00 -0000 [thread overview] Message-ID: <bug-16539-131@http.sourceware.org/bugzilla/> (raw) https://sourceware.org/bugzilla/show_bug.cgi?id=16539 Bug ID: 16539 Summary: spurious underflow exception from expm1 Product: glibc Version: unspecified Status: NEW Severity: normal Priority: P2 Component: math Assignee: unassigned at sourceware dot org Reporter: zimmerma+gcc at loria dot fr this example (in extended precision) gives a spurious underflow: Testing function expm1 for exponent 0 [seed=8344]. rounding mode MPFR_RNDN: wrong underflow flag for x=4.0000000000000028@-4096 library gives 4.0000000000000028@-4096 mpfr gives 4.0000000000000028@-4096 underflow: mpfr 0, library 16 Note the glibc result is *above* the smallest subnormal 0x1p-16382, thus no exception should be raised. -- You are receiving this mail because: You are on the CC list for the bug.
next reply other threads:[~2014-02-07 14:34 UTC|newest] Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-02-07 14:34 zimmerma+gcc at loria dot fr [this message] 2014-06-13 8:41 ` [Bug math/16539] " fweimer at redhat dot com 2014-06-24 21:01 ` jsm28 at gcc dot gnu.org 2014-06-24 21:01 ` cvs-commit at gcc dot gnu.org 2014-06-30 17:39 ` cvs-commit at gcc dot gnu.org
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